frequency-domain finite-difference method
Teaching and Learning Electromagnetic Simulation by Means of a Two Dimensional Finite Difference Time Domain Method
... [6] A. Dueñas Jiménez, “Frequency- and time-domain simulation of microstrip squares by using 2D-FDTD electromagnetic analyses,” published in the International Workshop on Recent Advances in Microwave & ...
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Simulation and Numerical Modeling of a Rectangular Patch Antenna Using Finite Difference Time Domain (FDTD) Method
... Spatial discretization is achieved by subdividing the computation space in cells called Yee cells (Fig.1). Each cell is marked by indices (i, j, k) and whose space steps Δx, Δy and Δz are depending on the smaller ...
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Comparison of a finite difference and a mixed finite element formulation of the uniaxial perfectly matched layer
... the finite difference method or the finite element method, is dependent on the particular ab- sorbing boundary condition used to truncate the computational ...computational ...
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Crack Detection Using a Hybrid Finite Difference Frequency Domain and Particle Swarm Optimization Techniques
... In this paper, the FDFD is used for the direct problem, a hybrid technique from FDFD and PSO is used for the inverse electromagnetic scattering problem. For the direct problem, the scattered field is to be calculated ...
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Simple Implementation of Arbitrarily Shaped Total-Field/Scattered-Field Regions in Finite-Difference Frequency-Domain
... The TF/SF method can also be used to inject cylindrical sources. Objects illuminated by sources that are in close proximity are sometimes more accurately modeled using cylindrical waves. To do this, the SF region ...
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Analysis of Crack Problem by using ADI-FDTD/MoMTD Hybrid Method
... hybrid method of moments and finite difference was presented by Taflove ...equation: frequency domain and time domain methods. In frequency domain methods, equation ...
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Computation of the Modes of Elliptic Waveguides with a Curvilinear 2D Frequency-Domain Finite-Difference Approach
... FDFD method described in the previous section has been extensively tested using data available in the open ...cut-off frequency data from [16], which span the whole eccentricity ...a method which is ...
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Understanding the Finite-Difference Time-Domain Method. John B. Schneider
... In (2.6), D and E are related by a scalar constant. This implies that the D and E fields are related by a simple proportionality constant for all frequencies, all orientations, and all field strengths. Unfortunately the ...
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Sub-Nanosecond Electromagnetic-Micromagnetic Dynamic Simulations Using the Finite-Difference Time-Domain Method
... The uniform and non-uniform precession modes in the FDTD- LLG calculations were investigated by computing the Fast Fourier Transform (FFT) of the magnetisation waveform at point A in Fig. 7(a). The spectrum is shown in ...
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Analysis on Photo Emission and Absorbing Spectrum on GaN Sample by Finite Difference Time Domain Method
... For low energies nevertheless there is no suitable electronic transitions potential so transmission is incredibly high in that range. It is not 100% on the other hand, on account of reflection. There is a moderately ...
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Generalized Alternating Direction Implicit Finite Difference Time Domain Method in Curvilinear Coordinate System
... In this way, the ADI-NFDTD is able to provide more precise frequency spectra with a smaller FFT resolution and a lower noise level than those obtained in the con- ventional NFDTD. This is of great benefit in ...
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Parallel FDTD Electromagnetic Simulation of Dispersive Plasmonic Nanostructures and Opal Photonic Crystals in the Optical Frequency Range
... The Finite-Difference Time-Domain (FDTD) method is the numerical technique we deal ...FDTD method [2] and its successive enrichments, such as the pulsed FDTD method, the ...
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Breast Cancer Detection Using a Hybrid Finite Difference Frequency Domain and Particle Swarm Optimization Techniques
... Microwave imaging can be used effectively for the detection of biological anomalies like tumor at an early curable stage. It can be one of the needed imaging modalities in the future. This is because microwave imagining ...
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Development Of Finite-Difference Time-Domain (FDTD) / Periodic Boundary Condition (PBC) Software For Modeling Microwave Absorber Material At X-Band Frequency
... the Finite Difference Time Domain (FDTD) method that used to solve Maxwell’s ...develop Finite Difference Time Domain (FDTD) algorithm for modeling Radar Absorbing ...
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An Efficient Hybrid MoM/FEM Method for Analyzing the Enclosures With Apertures Açıklıklı Kutuların Analizinde Etkin Bir Hibrid MoM/FEM Yöntemi
... on method of ...Modal/MoM method, which calculates the shielding effectiveness of an empty rectangular enclosure with rectangular ...FDTD method and the electric field distribution inside the ...
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Finite Difference Solution of the Helmholtz Equation Based on Two Domain Decomposition Algorithms
... geophysical frequency-domain in- version, one needs to do forward modeling which means solving the Helmholtz ...The finite element method and the finite difference method ...
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A Krylov Space Based Finite Element Time Domain Method for Broadband Frequency Domain Solutions
... and frequency-domain methods. Finite-difference time-domain (FDTD) methods have been widely adopted for solving different kinds of wave propagation ...leapfrog method is used for ...
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Improvement of Computational Performance of Implicit Finite Difference Time Domain Method
... explicit frequency dependent (FD-)FDTD with CFLN = 1, and with FD-CN-FDTD with CFLN = 1, 3, ...FD-CN-FDTD method beyond the CFL limit (CFLN > 1) and explicit FD-FDTD was ...
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Electromagnetic Scattering Using GPU-Based Finite Difference Frequency Domain Method
... reduced to three equations, in terms of the three scattered electric field components. More details about the final expressions can be found in [15]. The BICG is implemented on a GPU to fit the solution of the FDFD ...
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Finite-Difference Frequency-Domain Analysis of Linear Arrays of Dielectric Cylinders with the Adaptive Basis Functions/Diagonal Moment Matrix Technique
... Abstract—The finite-difference frequency-domain (FDFD) method with the adaptive basis functions/diagonal moment matrix (ABF /DMM) technique is proposed in this paper for finite ...
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